Ms. Frizzle's class cannot get Molly's hood ornament wet because it is ________.

• crystal

• diamond

• quartz

• garnet

Why won't the tires Ralphy is scrubbing get clean?

• He wasn't scrubbing hard enough.

• He wasn't using soap.

• He wasn't using the correct rag.

• He wasn't using enough water.

Molly said her car wasn't clean down to the very last bit because there was a speck of what?

• grime

• dirt

• tar

• grease

According to the Shrinkerscope, the Magic School Bus shrank...

• one hundredth their normal size.

• one thousandth their normal size.

• one millionth their normal size.

• one billionth their normal size.

When Ms. Frizzle and her class shrink as far as they can shrink, and get down to the very last bit, they can see that everything is made out of little bits called ________.

• matter

• neutrons

• atoms

• molecules

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Wanda used the analogy of ________ to help understand molecules better. Each one by itself is too small to look like what you're making, but put them together and there it is!

• building blocks

• stacking cups

• stringing beads

• toppling dominoes

Tags

NGSS.MS-PS1-1

What were the long and limp molecules Wanda and Keisha found?

• a sponge

• a rag

• Liz's tail

• a bag

The water molecules were splashy and hard to hold on to.

The soap molecules were slippery.

That means molecules give matter their properties and characteristics.

• True

• False

Tags

NGSS.MS-PS1-1

What happened to Molly's crystal hood ornament when it got knocked into the bucket of water?

• it sank

• it floated

• it grew

• it disappeared

After the kids staked 20 crystal molecules, what happened?

• The sugar molecules started to stack themselves.

• The sugar molecules collapsed,

• The sugar molecules formed a crystal.

• The sugar molecule stack collapsed.

Tags

NGSS.MS-PS1-1